The power of being a famous geek is shown here. A nifty proof of concept app to use your camera as a proximity sensor… for your Mac. Fun, but not too useful yet (if at all). Free on github.
Looks fun, is fun, is cheap. Enjoy!
(I allow minor shoving)
The wife found this one. Other than that, no comment.
(via The Bouletcorp » Geek !)